1 files changed, 62 insertions, 0 deletions
diff --git a/common/xasprintf.c b/common/xasprintf.c
new file mode 100644
index 0000000..9774d06
--- /dev/null
+++ b/common/xasprintf.c
@@ -0,0 +1,62 @@
+/* xasprintf.c
+ *	Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "util.h"
+#include "iobuf.h"
+#include "estream-printf.h"
+
+#if !defined(_ESTREAM_PRINTF_MALLOC) || !defined(_ESTREAM_PRINTF_FREE)
+#error Need to define ESTREAM_PRINTF_MALLOC and _FREE
+#endif
+
+/* Same as asprintf but return an allocated buffer suitable to be
+   freed using xfree.  This function simply dies on memory failure,
+   thus no extra check is required. */
+char *
+xasprintf (const char *fmt, ...)
+{
+  va_list ap;
+  char *buf;
+
+  va_start (ap, fmt);
+  if (estream_vasprintf (&buf, fmt, ap) < 0)
+    log_fatal ("estream_asprintf failed: %s\n", strerror (errno));
+  va_end (ap);
+  return buf;
+}
+
+/* Same as above but return NULL on memory failure.  */
+char *
+xtryasprintf (const char *fmt, ...)
+{
+  int rc;
+  va_list ap;
+  char *buf;
+
+  va_start (ap, fmt);
+  rc = estream_vasprintf (&buf, fmt, ap);
+  va_end (ap);
+  if (rc < 0)
+    return NULL;
+  return buf;
+}